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DRIVE
SPRING 2016
PROGRAM
MASTER OF BUSINESS ADMINISTRATION (MBA)
SEMESTER
III
SUBJECT CODE
& NAME MI0035 – COMPUTER NETWORKS
1 Explain the concept of computer
networks. Briefly explain the different types of networks.
Concept
of computer networks
Types
of computer networks
Answer: In a general sense “network”
refers to a group of objects, individuals connected to each other. Similarly a
cluster of interconnected computers that communicate with one another through a
shared
2 Write a brief note on seven layered
OSI reference model. Explain the role of each layer.
Define
seven layered OSI reference model
Explaining
the role of 7 layers
Answer: The OSI reference model emerged as a first step
towards international standardisation of the protocols used in the various
layers by the ISO. The model is called the ISO OSI reference model as it deals
with connecting open systems, that is, systems open for communication with
other system
3 Write short notes on
a. Subnet
b. Super netting
c. Subnet masks
d. Dynamic NAT
e. Domain Name System
Answer: a) Subnets
A network that exists within the
Class A, B, or C network is called a subnet. It can also be defined as a
network within a network. Subnets are created to extend network IDs by using
host bits of
4 What is DWDM? What are the pros and
cons of DWDM
Definition
Four
pros of DWDM
Four
cons of DWDM
Answer: DWDM: This refers to a technique
that enables more than one wavelength to be added to a single-mode fiber to
increase the capacity of the transmission path by a factor equal to the number
of
5 Explain the working of Carrier Sense
Multiple Access with Collision Detection (CSMA/CD) Protocol.
Working
of CSMA/CD in a Flowchart
Explaining
the working in detail
Answer: The CSMA/CD
protocol can be compared with a typical life scenario such as a group
discussion during an interview. Suppose several candidates are sitting around
the table. Every candidate must listen to the instruction for a while before
speaking (Carrier Sense). After listening to the
6 Briefly explain the functions of
network management model.
Explain
5 functions of network management model
Answer: Functions of network management model
Fault Management
The main aim of fault
management is to identify the network problems and notify it to the users. The
fault management system, if possible, automatically fixes network problems.
Fault management is the most widely implemented function of the network management
system because faults
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